libc: minimal: remove deprecated Kconfigs

The following Kconfigs have been deprecated for more than 2
releases, remove them:

- `CONFIG_SUPPORT_MINIMAL_LIBC`
- `CONFIG_MINIMAL_LIBC_MALLOC`
- `CONFIG_MINIMAL_LIBC_CALLOC`
- `CONFIG_MINIMAL_LIBC_REALLOCARRAY`

Signed-off-by: Yong Cong Sin <[email protected]>

Author: ycsin

lib/libc/Kconfig

@@ -49,13 +49,6 @@ config PICOLIBC_SUPPORTED
 	help
 	  Selected when the target has support for picolibc.
 
-config SUPPORT_MINIMAL_LIBC
-	bool
-	select MINIMAL_LIBC_SUPPORTED
-	select DEPRECATED
-	help
-	  Legacy symbol that selects MINIMAL_LIBC_SUPPORTED
-
 config NATIVE_LIBC_INCOMPATIBLE
 	bool
 	help
@@ -79,6 +72,9 @@ config MINIMAL_LIBC
 	imply COMPILER_FREESTANDING
 	select COMMON_LIBC_ABORT
 	select COMMON_LIBC_STRNLEN
+	imply COMMON_LIBC_MALLOC
+	imply COMMON_LIBC_CALLOC
+	imply COMMON_LIBC_REALLOCARRAY
 	help
 	  Build with minimal C library.
 

lib/libc/common/Kconfig

@@ -53,7 +53,7 @@ config COMMON_LIBC_MALLOC_ARENA_SIZE
 config COMMON_LIBC_CALLOC
 	bool "Common C library calloc"
 	depends on COMMON_LIBC_MALLOC
-	default n if MINIMAL_LIBC && !MINIMAL_LIBC_CALLOC
+	default n if MINIMAL_LIBC
 	default y
 	help
 	  Enable the common C library trivial implementation of calloc,
@@ -62,7 +62,7 @@ config COMMON_LIBC_CALLOC
 config COMMON_LIBC_REALLOCARRAY
 	bool "Common C library reallocarray"
 	depends on COMMON_LIBC_MALLOC
-	default n if MINIMAL_LIBC && !MINIMAL_LIBC_REALLOCARRAY
+	default n if MINIMAL_LIBC
 	default y
 	help
 	  Enable the common C library trivial implementation of

lib/libc/minimal/Kconfig

@@ -13,16 +13,6 @@ config MINIMAL_LIBC_NON_REENTRANT_FUNCTIONS
 	  library memory partition when CONFIG_USERSPACE=y, and enabling this
 	  option may require an additional memory protection region.
 
-config MINIMAL_LIBC_MALLOC
-	bool "[DEPRECATED] Minimal libc malloc implementation"
-	default y
-	imply COMMON_LIBC_MALLOC
-	help
-	  [DEPRECATED] Use COMMON_LIBC_MALLOC
-
-	  Enable the minimal libc's implementation of malloc, free, and realloc.
-	  Disable if you wish to provide your own implementations of these functions.
-
 config MINIMAL_LIBC_MALLOC_ARENA_SIZE
 	int "[DEPRECATED] Size of the minimal libc malloc arena"
 	default -2
@@ -36,24 +26,6 @@ config MINIMAL_LIBC_MALLOC_ARENA_SIZE
 	  If set to -2, then the value of COMMON_LIBC_MALLOC_ARENA_SIZE
 	  will be used.
 
-config MINIMAL_LIBC_CALLOC
-	bool "[DEPRECATED] Minimal libc trivial calloc implementation"
-	default y
-	help
-	  [DEPRECATED] Use COMMON_LIBC_CALLOC
-
-	  Enable the minimal libc's trivial implementation of calloc, which
-	  forwards to malloc and memset.
-
-config MINIMAL_LIBC_REALLOCARRAY
-	bool "[DEPRECATED] Minimal libc trivial reallocarray implementation"
-	default y
-	help
-	  [DEPRECATED] Use COMMON_LIBC_REALLOCARRAY
-
-	  Enable the minimal libc's trivial implementation of reallocarray, which
-	  forwards to realloc.
-
 config MINIMAL_LIBC_LL_PRINTF
 	bool "Build with minimal libc long long printf" if !64BIT
 	default y if 64BIT